solanum/modules/m_resv.c

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/*
* ircd-ratbox: A slightly useful ircd.
* m_resv.c: Reserves(jupes) a nickname or channel.
*
* Copyright (C) 2001-2002 Hybrid Development Team
* Copyright (C) 2002-2005 ircd-ratbox development team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include "stdinc.h"
#include "client.h"
#include "channel.h"
#include "ircd.h"
#include "numeric.h"
#include "s_serv.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "s_conf.h"
#include "s_newconf.h"
#include "hash.h"
#include "logger.h"
#include "bandbi.h"
#include "operhash.h"
static const char resv_desc[] =
"Provides management of reserved nicknames and channels using (UN)RESV";
static void mo_resv(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
static void ms_resv(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
static void me_resv(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
static void mo_unresv(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
static void ms_unresv(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
static void me_unresv(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
struct Message resv_msgtab = {
"RESV", 0, 0, 0, 0,
{mg_ignore, mg_not_oper, {ms_resv, 4}, {ms_resv, 4}, {me_resv, 5}, {mo_resv, 3}}
};
struct Message unresv_msgtab = {
"UNRESV", 0, 0, 0, 0,
{mg_ignore, mg_not_oper, {ms_unresv, 3}, {ms_unresv, 3}, {me_unresv, 2}, {mo_unresv, 2}}
};
mapi_clist_av1 resv_clist[] = { &resv_msgtab, &unresv_msgtab, NULL };
DECLARE_MODULE_AV2(resv, NULL, NULL, resv_clist, NULL, NULL, NULL, NULL, resv_desc);
static void parse_resv(struct Client *source_p, const char *name,
const char *reason, int temp_time, int propagated);
static void propagate_resv(struct Client *source_p, const char *target,
int temp_time, const char *name, const char *reason);
static void cluster_resv(struct Client *source_p, int temp_time,
const char *name, const char *reason);
static void remove_resv(struct Client *source_p, const char *name, int propagated);
/*
* mo_resv()
* parv[1] = channel/nick to forbid
* parv[2] = reason
*/
static void
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mo_resv(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
const char *name;
const char *reason;
const char *target_server = NULL;
int temp_time;
int loc = 1;
int propagated = ConfigFileEntry.use_propagated_bans;
if(!IsOperResv(source_p))
{
sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "resv");
return;
}
/* RESV [time] <name> [ON <server>] :<reason> */
if((temp_time = valid_temp_time(parv[loc])) >= 0)
loc++;
/* we just set temp_time to -1! */
else
temp_time = 0;
name = parv[loc];
loc++;
if((parc >= loc + 2) && (irccmp(parv[loc], "ON") == 0))
{
if(!IsOperRemoteBan(source_p))
{
sendto_one(source_p, form_str(ERR_NOPRIVS),
me.name, source_p->name, "remoteban");
return;
}
target_server = parv[loc + 1];
loc += 2;
/* Set as local-only. */
propagated = 0;
}
if(parc <= loc || EmptyString(parv[loc]))
{
sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), me.name, source_p->name, "RESV");
return;
}
reason = parv[loc];
/* remote resv.. */
if(target_server)
{
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if (temp_time)
sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s is adding a %d min. RESV for [%s] on %s [%s]",
get_oper_name(source_p), temp_time / 60, name, target_server, reason);
else
sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s is adding a permanent RESV for [%s] on %s [%s]",
get_oper_name(source_p), name, target_server, reason);
propagate_resv(source_p, target_server, temp_time, name, reason);
if(match(target_server, me.name) == 0)
return;
}
else if(!propagated && rb_dlink_list_length(&cluster_conf_list) > 0)
cluster_resv(source_p, temp_time, name, reason);
if(propagated && temp_time == 0)
{
sendto_one_notice(source_p, ":Cannot set a permanent global ban");
return;
}
parse_resv(source_p, name, reason, temp_time, propagated);
}
/* ms_resv()
* parv[1] = target server
* parv[2] = channel/nick to forbid
* parv[3] = reason
*/
static void
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ms_resv(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
/* parv[0] parv[1] parv[2] parv[3]
* oper target server resv reason
*/
propagate_resv(source_p, parv[1], 0, parv[2], parv[3]);
if(!match(parv[1], me.name))
return;
if(!IsPerson(source_p))
return;
parse_resv(source_p, parv[2], parv[3], 0, 0);
}
static void
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me_resv(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
/* time name 0 :reason */
if(!IsPerson(source_p))
return;
parse_resv(source_p, parv[2], parv[4], atoi(parv[1]), 0);
}
/* parse_resv()
*
* inputs - source_p if error messages wanted
* - thing to resv
* - reason for resv
* outputs -
* side effects - will parse the resv and create it if valid
*/
static void
parse_resv(struct Client *source_p, const char *name, const char *reason, int temp_time, int propagated)
{
struct ConfItem *aconf;
if(IsChannelName(name))
{
if(hash_find_resv(name))
{
sendto_one_notice(source_p,
":A RESV has already been placed on channel: %s", name);
return;
}
if(strlen(name) > CHANNELLEN)
{
sendto_one_notice(source_p, ":Invalid RESV length: %s", name);
return;
}
aconf = make_conf();
aconf->status = CONF_RESV_CHANNEL;
aconf->port = 0;
aconf->created = rb_current_time();
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aconf->host = rb_strdup(name);
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aconf->passwd = rb_strdup(reason);
aconf->info.oper = operhash_add(get_oper_name(source_p));
if(propagated)
{
aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY;
aconf->hold = rb_current_time() + temp_time;
aconf->lifetime = aconf->hold;
replace_old_ban(aconf);
add_prop_ban(aconf);
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"%s added global %d min. RESV for [%s] [%s]",
get_oper_name(source_p), temp_time / 60,
name, reason);
ilog(L_KLINE, "R %s %d %s %s",
get_oper_name(source_p), temp_time / 60, name, reason);
sendto_one_notice(source_p, ":Added global %d min. RESV [%s]",
temp_time / 60, name);
sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS,
":%s BAN R * %s %lu %d %d * :%s",
source_p->id, aconf->host,
(unsigned long)aconf->created,
(int)(aconf->hold - aconf->created),
(int)(aconf->lifetime - aconf->created),
reason);
}
else if(temp_time > 0)
{
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aconf->hold = rb_current_time() + temp_time;
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"%s added temporary %d min. RESV for [%s] [%s]",
get_oper_name(source_p), temp_time / 60,
name, reason);
ilog(L_KLINE, "R %s %d %s %s",
get_oper_name(source_p), temp_time / 60, name, reason);
sendto_one_notice(source_p, ":Added temporary %d min. RESV [%s]",
temp_time / 60, name);
}
else
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{
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"%s added RESV for [%s] [%s]",
get_oper_name(source_p), name, reason);
ilog(L_KLINE, "R %s 0 %s %s",
get_oper_name(source_p), name, reason);
sendto_one_notice(source_p, ":Added RESV [%s]", name);
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bandb_add(BANDB_RESV, source_p, aconf->host, NULL, aconf->passwd, NULL, 0);
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}
add_to_resv_hash(aconf->host, aconf);
resv_chan_forcepart(aconf->host, aconf->passwd, temp_time);
}
else if(clean_resv_nick(name))
{
if(strlen(name) > NICKLEN * 2)
{
sendto_one_notice(source_p, ":Invalid RESV length: %s", name);
return;
}
if(!valid_wild_card_simple(name))
{
sendto_one_notice(source_p,
":Please include at least %d non-wildcard "
"characters with the resv",
ConfigFileEntry.min_nonwildcard_simple);
return;
}
if(find_nick_resv_mask(name))
{
sendto_one_notice(source_p,
":A RESV has already been placed on nick: %s", name);
return;
}
aconf = make_conf();
aconf->status = CONF_RESV_NICK;
aconf->port = 0;
aconf->created = rb_current_time();
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aconf->host = rb_strdup(name);
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aconf->passwd = rb_strdup(reason);
aconf->info.oper = operhash_add(get_oper_name(source_p));
if(propagated)
{
aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY;
aconf->hold = rb_current_time() + temp_time;
aconf->lifetime = aconf->hold;
replace_old_ban(aconf);
add_prop_ban(aconf);
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"%s added global %d min. RESV for [%s] [%s]",
get_oper_name(source_p), temp_time / 60,
name, reason);
ilog(L_KLINE, "R %s %d %s %s",
get_oper_name(source_p), temp_time / 60, name, reason);
sendto_one_notice(source_p, ":Added global %d min. RESV [%s]",
temp_time / 60, name);
sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS,
":%s BAN R * %s %lu %d %d * :%s",
source_p->id, aconf->host,
(unsigned long)aconf->created,
(int)(aconf->hold - aconf->created),
(int)(aconf->lifetime - aconf->created),
reason);
}
else if(temp_time > 0)
{
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aconf->hold = rb_current_time() + temp_time;
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"%s added temporary %d min. RESV for [%s] [%s]",
get_oper_name(source_p), temp_time / 60,
name, reason);
ilog(L_KLINE, "R %s %d %s %s",
get_oper_name(source_p), temp_time / 60, name, reason);
sendto_one_notice(source_p, ":Added temporary %d min. RESV [%s]",
temp_time / 60, name);
}
else
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{
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"%s added RESV for [%s] [%s]",
get_oper_name(source_p), name, reason);
ilog(L_KLINE, "R %s 0 %s %s",
get_oper_name(source_p), name, reason);
sendto_one_notice(source_p, ":Added RESV [%s]", name);
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bandb_add(BANDB_RESV, source_p, aconf->host, NULL, aconf->passwd, NULL, 0);
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}
rb_dlinkAddAlloc(aconf, &resv_conf_list);
resv_nick_fnc(aconf->host, aconf->passwd, temp_time);
}
else
sendto_one_notice(source_p, ":You have specified an invalid resv: [%s]", name);
}
static void
propagate_resv(struct Client *source_p, const char *target,
int temp_time, const char *name, const char *reason)
{
if(!temp_time)
{
sendto_match_servs(source_p, target,
CAP_CLUSTER, NOCAPS, "RESV %s %s :%s", target, name, reason);
sendto_match_servs(source_p, target,
CAP_ENCAP, CAP_CLUSTER,
"ENCAP %s RESV %d %s 0 :%s", target, temp_time, name, reason);
}
else
sendto_match_servs(source_p, target,
CAP_ENCAP, NOCAPS,
"ENCAP %s RESV %d %s 0 :%s", target, temp_time, name, reason);
}
static void
cluster_resv(struct Client *source_p, int temp_time, const char *name, const char *reason)
{
struct remote_conf *shared_p;
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rb_dlink_node *ptr;
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RB_DLINK_FOREACH(ptr, cluster_conf_list.head)
{
shared_p = ptr->data;
/* old protocol cant handle temps, and we dont really want
* to convert them to perm.. --fl
*/
if(!temp_time)
{
if(!(shared_p->flags & SHARED_PRESV))
continue;
sendto_match_servs(source_p, shared_p->server,
CAP_CLUSTER, NOCAPS,
"RESV %s %s :%s", shared_p->server, name, reason);
sendto_match_servs(source_p, shared_p->server,
CAP_ENCAP, CAP_CLUSTER,
"ENCAP %s RESV 0 %s 0 :%s",
shared_p->server, name, reason);
}
else if(shared_p->flags & SHARED_TRESV)
sendto_match_servs(source_p, shared_p->server,
CAP_ENCAP, NOCAPS,
"ENCAP %s RESV %d %s 0 :%s",
shared_p->server, temp_time, name, reason);
}
}
/*
* mo_unresv()
* parv[1] = channel/nick to unforbid
*/
static void
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mo_unresv(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
int propagated = 1;
if(!IsOperResv(source_p))
{
sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "resv");
return;
}
if((parc == 4) && (irccmp(parv[2], "ON") == 0))
{
if(!IsOperRemoteBan(source_p))
{
sendto_one(source_p, form_str(ERR_NOPRIVS),
me.name, source_p->name, "remoteban");
return;
}
propagate_generic(source_p, "UNRESV", parv[3], CAP_CLUSTER, "%s", parv[1]);
if(match(parv[3], me.name) == 0)
return;
propagated = 0;
}
#if 0
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else if(rb_dlink_list_length(&cluster_conf_list) > 0)
cluster_generic(source_p, "UNRESV", SHARED_UNRESV, CAP_CLUSTER, "%s", parv[1]);
#endif
/* cluster{} moved to remove_resv */
remove_resv(source_p, parv[1], propagated);
}
/* ms_unresv()
* parv[1] = target server
* parv[2] = resv to remove
*/
static void
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ms_unresv(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
/* parv[0] parv[1] parv[2]
* oper target server resv to remove
*/
propagate_generic(source_p, "UNRESV", parv[1], CAP_CLUSTER, "%s", parv[2]);
if(!match(parv[1], me.name))
return;
if(!IsPerson(source_p))
return;
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remove_resv(source_p, parv[2], 0);
}
static void
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me_unresv(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
/* name */
if(!IsPerson(source_p))
return;
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remove_resv(source_p, parv[1], 0);
}
static void
remove_resv(struct Client *source_p, const char *name, int propagated)
{
struct ConfItem *aconf = NULL;
rb_dlink_node *ptr;
time_t now;
if(IsChannelName(name))
{
if((aconf = hash_find_resv(name)) == NULL)
{
if(propagated && rb_dlink_list_length(&cluster_conf_list))
cluster_generic(source_p, "UNRESV", SHARED_UNRESV, CAP_CLUSTER, "%s", name);
sendto_one_notice(source_p, ":No RESV for %s", name);
return;
}
if(aconf->lifetime)
{
if(!propagated)
{
sendto_one_notice(source_p, ":Cannot remove global RESV %s on specific servers", name);
return;
}
if (!lookup_prop_ban(aconf))
return;
sendto_one_notice(source_p, ":RESV for [%s] is removed", name);
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"%s has removed the global RESV for: [%s]",
get_oper_name(source_p), name);
ilog(L_KLINE, "UR %s %s", get_oper_name(source_p), name);
now = rb_current_time();
if(aconf->created < now)
aconf->created = now;
else
aconf->created++;
aconf->hold = aconf->created;
operhash_delete(aconf->info.oper);
aconf->info.oper = operhash_add(get_oper_name(source_p));
aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY;
sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS,
":%s BAN R * %s %lu %d %d * :*",
source_p->id, aconf->host,
(unsigned long)aconf->created,
0,
(int)(aconf->lifetime - aconf->created));
deactivate_conf(aconf, now);
return;
}
else if(propagated && rb_dlink_list_length(&cluster_conf_list) > 0)
cluster_generic(source_p, "UNRESV", SHARED_UNRESV, CAP_CLUSTER, "%s", name);
sendto_one_notice(source_p, ":RESV for [%s] is removed", name);
ilog(L_KLINE, "UR %s %s", get_oper_name(source_p), name);
if(!aconf->hold)
{
bandb_del(BANDB_RESV, aconf->host, NULL);
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"%s has removed the RESV for: [%s]",
get_oper_name(source_p), name);
}
else
{
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"%s has removed the temporary RESV for: [%s]",
get_oper_name(source_p), name);
}
del_from_resv_hash(name, aconf);
}
else
{
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RB_DLINK_FOREACH(ptr, resv_conf_list.head)
{
aconf = ptr->data;
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if(irccmp(aconf->host, name))
aconf = NULL;
else
break;
}
if(aconf == NULL)
{
if(propagated && rb_dlink_list_length(&cluster_conf_list))
cluster_generic(source_p, "UNRESV", SHARED_UNRESV, CAP_CLUSTER, "%s", name);
sendto_one_notice(source_p, ":No RESV for %s", name);
return;
}
if(aconf->lifetime)
{
if(!propagated)
{
sendto_one_notice(source_p, ":Cannot remove global RESV %s on specific servers", name);
return;
}
if (!lookup_prop_ban(aconf))
return;
sendto_one_notice(source_p, ":RESV for [%s] is removed", name);
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"%s has removed the global RESV for: [%s]",
get_oper_name(source_p), name);
ilog(L_KLINE, "UR %s %s", get_oper_name(source_p), name);
now = rb_current_time();
if(aconf->created < now)
aconf->created = now;
else
aconf->created++;
aconf->hold = aconf->created;
operhash_delete(aconf->info.oper);
aconf->info.oper = operhash_add(get_oper_name(source_p));
aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY;
sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS,
":%s BAN R * %s %lu %d %d * :*",
source_p->id, aconf->host,
(unsigned long)aconf->created,
0,
(int)(aconf->lifetime - aconf->created));
deactivate_conf(aconf, now);
return;
}
else if(propagated && rb_dlink_list_length(&cluster_conf_list) > 0)
cluster_generic(source_p, "UNRESV", SHARED_UNRESV, CAP_CLUSTER, "%s", name);
sendto_one_notice(source_p, ":RESV for [%s] is removed", name);
ilog(L_KLINE, "UR %s %s", get_oper_name(source_p), name);
if(!aconf->hold)
{
bandb_del(BANDB_RESV, aconf->host, NULL);
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"%s has removed the RESV for: [%s]",
get_oper_name(source_p), name);
}
else
{
sendto_realops_snomask(SNO_GENERAL, L_ALL,
"%s has removed the temporary RESV for: [%s]",
get_oper_name(source_p), name);
}
/* already have ptr from the loop above.. */
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rb_dlinkDestroy(ptr, &resv_conf_list);
}
free_conf(aconf);
return;
}